Fujitsu ABHG54KRTA User Manual

7-5. Fresh air control
The fan motor for Fresh Air is operated in synchronization with the indoor fan operation as below.
Operation
Stop
Operation
Stop
Fan motor
(Indoor unit)
Fan motor
(for Fresh Air)
7-6. Compressor preheating
By preheating the compressor, warm airflow is quickly discharged when the operation is started.
• Triggering condition 1
– Outdoor temperature ≤ 20°C
When outdoor temperature reaches 26°C, compressor preheating stops.
– 30 minutes after compressor stopped
• Triggering condition 2
0°C
Off
On
Tn
Tn
2°C
Tn: Outdoor unit heat exchanger temp.
7-7. External electrical heater control
The external electrical heater is operated as below.
When the room
temperature rises
When the room
temperature drops
Ts: Setting temperature
Heater : Off
Heater : On
Heater : Off
Ts -10°C
Ts -1°C
Ts -3°C
Ts -12°C
NOTES:
• When the compressor stop, external electric heater is off.
• It operates only in heating mode and when the indoor fan operates. (However, S-LOW is exclud-
ed.)
7-5. Fresh air control
- (04-21) - 7. Various control
CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS

Fujitsu ABHG54KRTA Specifications

General

Brand	Fujitsu
Model	ABHG54KRTA
Category	Air Conditioner
Language	English